: Found in Settings > Update & Security > Troubleshoot , this automated tool is specifically built to fix problems with UWP apps.

: Though being phased out, it can still help diagnose folder and file issues. How to Handle .rar Files Safely

: Missing framework components like .NET that UWP apps require to run. Safe and Official Alternatives to Manual Fixes

: This command-line utility scans for and restores corrupted Windows system files. To run it, open Command Prompt as an administrator and type sfc /scannow .